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sqlalcemyでsession.commit()するとNone Typeと言われエラー

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Last updated at Posted at 2017-09-11

概要

以下を実行するとTypeError: 'NoneType' object is not callableエラーが出る

user = User() # Userはsqlalchemyのモデル。nameカラムしかないものとする
user.name = 'a'
session.add(user)
session.commit()

原因

  • user.nameの型が間違っている
    • datetimeと間違えてしてしまった場合に上の現象が発生することを確認

まとめ

  • エラー文言がわかりづらく少しはまった。。
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